#include<bits/stdc++.h>
using namespace std;
int n;
const int N=1e5+10;
int r[N],cnt[N],ans;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>r[i];
        ++cnt[r[i]];
    }
    for(int i=1;i<=n;i++){
        ans=max(cnt[r[i]],ans);
    }
    cout<<ans;
    return 0;
}
